Kaimingnuo (Shenzhen) Technology Co., Ltd. is a national high-tech enterprise, a specialized enterprise, and also a drafting unit of self-powered technical specifications for power sensors. The company focuses on online monitoring of power grid fault location and intelligent visualization, focusing on traveling wave location algorithm, self-developed hardware platform, edge intelligent analysis and platform visualization, integrating self-powered technology, sensing technology, wireless network technology and artificial intelligence technology, covering all aspects of basic products to the whole chain. An integrated support system of "product matrix + technical service" has been formed to provide high reliability, high precision and high visualization fault detection solutions for smart grid.